标准摘要
[中文适用范围]： 本标准规定了采用高频感应炉的燃烧/红外法测定铁矿石中硫含量的方法。该方法适用于天然铁矿石、铁矿石精矿和球团（包括烧结矿）中硫含量在0.002%（质量分数）至0.25%（质量分数）之间的测定。该方法不适用于含化合水超过1.0%（质量分数）的铁矿石。对于装有加热装置的金属过滤器，也可用于含化合水少于3.0%（质量分数）的铁矿石。 [外文原描述]： ISO 4689-3:2017 specifies a combustion/infrared method, using a high-frequency induction furnace, for the determination of the sulfur content of iron ores. This method is applicable to sulfur contents between 0,002 % (mass fraction) and 0,25 % (mass fraction) in natural iron ores, iron ore concentrates and agglomerates, including sinter products. The method is not applicable to iron ores containing more than 1,0 % (mass fraction) of combined water. The apparatus, of which the metal filter is equipped with a heating device, can be applied to iron ores containing less than 3,0 % (mass fraction) of combined water.
英文名称Iron ores — Determination of sulfur content — Part 3: Combustion/infrared method